Sediment Transport and Aquatic Habitat in Gravel-Bed Riversby Peter C. Klingeman, Oregon State Univ, Corvallis, United States,
Robert C. MacArthur, Oregon State Univ, Corvallis, United States,
Abstract: Gravel-bed rivers experience dymanic conditions of flow and sediment transport. Long periods of bed stability are interrupted by shorter periods of bed mobility when major changes and corresponding adjustments occur. Aquatic habitats in alluvial channels are affected by, and make spatial and temporal adjustments to, hydraulic conditions and sediments transport processes. Mobilization of bed materials affect benthic habitat and, therefore aquatic communities. Interrelation of habitat characteristics, sediment transport, bed-material movement are described for gravel-bed rivers. Evaluation and prediction of aquatic habitat characteristics are discussed.
Subject Headings: Sediment transport | Aquatic habitats | Bed materials | Alluvial channels | River flow | Hydraulics
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